Compressors, Gas Turbines and Jet Engines During base load operation, the best method of controlling compressor is Start-stop motor Relief valve Variable speed Constant speed unloader Start-stop motor Relief valve Variable speed Constant speed unloader ANSWER DOWNLOAD EXAMIANS APP
Compressors, Gas Turbines and Jet Engines The effective power of gas turbines is increased by adding the following in compressor Ammonia and water vapour Carbon dioxide Hydrogen Nitrogen Ammonia and water vapour Carbon dioxide Hydrogen Nitrogen ANSWER DOWNLOAD EXAMIANS APP
Compressors, Gas Turbines and Jet Engines For an irreversible gas turbine cycle, the efficiency and work ratio both depend on Pressure ratio alone Maximum cycle temperature alone Both pressure ratio and maximum cycle temperature Minimum cycle temperature alone Pressure ratio alone Maximum cycle temperature alone Both pressure ratio and maximum cycle temperature Minimum cycle temperature alone ANSWER DOWNLOAD EXAMIANS APP
Compressors, Gas Turbines and Jet Engines For minimum work in multistage compression, assuming same index of compression in all stages Work done in subsequent stages should increase Work done in all stages should be equal Work done in first stage should be more Work done in subsequent stages should decrease Work done in subsequent stages should increase Work done in all stages should be equal Work done in first stage should be more Work done in subsequent stages should decrease ANSWER DOWNLOAD EXAMIANS APP
Compressors, Gas Turbines and Jet Engines In a single acting reciprocating air compressor, without clearance, the compression of air may be Isothermal Isentropic Polytropic Any one of these Isothermal Isentropic Polytropic Any one of these ANSWER DOWNLOAD EXAMIANS APP
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